Single-port surgical device and medical device system

Abstract

A single-port surgical device includes a housing and one or more cannulas. The housing includes a proximal port and a distal port, the one or more cannulas include an inner cannula section and an outer cannula section, the inner cannula section is located in the housing and communicates with the distal port of the housing, the outer cannula section is located outside the proximal port of the housing, and at least a portion of the outer cannula section of at least one cannula of the one or more cannulas is deformable in a radial direction, an axial direction or the radial direction and the axial direction of the outer cannula section.

1 . A single-port surgical device, comprising:
 a housing comprising a proximal port and a distal port; and   one or more cannulas comprising an inner cannula section and an outer cannula section, wherein the inner cannula section is located in the housing and communicates with the distal port of the housing, the outer cannula section is located outside the proximal port of the housing, and at least a portion of the outer cannula section of at least one cannula of the one or more cannulas is deformable in a radial direction, an axial direction or the radial direction and the axial direction of the outer cannula section.   
     
     
         2 . The single-port surgical device according to  claim 1 , wherein at least a portion of the outer cannula section of at least one cannula of the one or more cannulas comprises a flexible material. 
     
     
         3 . The single-port surgical device according to  claim 1 , wherein at least a portion of the inner cannula section or the outer cannula section of the one or more cannulas comprises a non-flexible material. 
     
     
         4 . The single-port surgical device according to  claim 1 , wherein the one or more cannulas comprise a plurality of cannulas, and the plurality of cannulas comprise at least one non-flexible cannula. 
     
     
         5 . The single-port surgical device according to  claim 1 , wherein the one or more cannulas comprise a plurality of cannulas, and
 the inner cannula sections of the plurality of cannulas are close to each other in a direction from the proximal port to the distal port; or   the inner cannula sections of the plurality of cannulas are arranged in parallel in a direction from the proximal port to the distal port; or   the outer cannula sections of the plurality of cannulas extend outwardly away from each other.   
     
     
         6 . The single-port surgical device according to  claim 1 , wherein at least a portion of the inner cannula section of the one or more cannulas is fixedly connected to an inner wall of the housing, or at least a portion of the inner cannula section is integrally formed with the housing. 
     
     
         7 . The single-port surgical device according to  claim 1 , wherein the housing comprises a proximal bell mouth. 
     
     
         8 . The single-port surgical device according to  claim 1 , wherein the outer cannula section of the one or more cannulas comprises a telescopic tube, and the telescopic tube is capable of telescopically moving in the axial direction of the outer cannula section to deform the outer cannula section in the axial direction. 
     
     
         9 . The single-port surgical device according to  claim 8 , wherein the telescopic tube comprises an upper tube and a lower tube which are sleeved with each other and capable of sliding relative to each other. 
     
     
         10 . The single-port surgical device according to  claim 9 , wherein the lower tube comprises a protruding portion extending outwardly in the radial direction, the protruding portion comprises an inner cavity and a sealing member disposed in the inner cavity, and the sealing member comprises a cutout. 
     
     
         11 . The single-port surgical device according to  claim 1 , wherein the outer cannula section comprises a protruding portion extending outwardly in the radial direction, the protruding portion comprises an inner cavity and a sealing member disposed in the inner cavity, and the sealing member comprises a cutout. 
     
     
         12 . The single-port surgical device according to  claim 1 , further comprising a sealing cover disposed at the proximal port of the housing, wherein the sealing cover is deformable and comprises a cutout. 
     
     
         13 . The single-port surgical device according to  claim 1 , further comprising at least one connecting member, wherein the connecting member is disposed on the housing and/or the cannula. 
     
     
         14 . The single-port surgical device according to  claim 13 , wherein the connecting member includes at least one of a protrusion, pincers, a snap-fit structure, an adhesive structure, a pluggable structure, or a suction structure. 
     
     
         15 . The single-port surgical device according to  claim 1 , wherein at least one side tube is disposed on the housing, and the side tube passes through a side wall of the housing and communicates with the distal port. 
     
     
         16 . The single-port surgical device according to  claim 15 , wherein the at least one side tube comprises a first side tube and a second side tube which are spaced apart from each other in a circumferential direction of the housing. 
     
     
         17 . The single-port surgical device according to  claim 2 , wherein the flexible material includes thermoplastic elastomer, silicone or rubber. 
     
     
         18 . The single-port surgical device according to  claim 3 , wherein the non-flexible material includes plastic and a metal material. 
     
     
         19 . A medical device system, comprising:
 at least one motion arm comprising a plurality of arm bodies and a plurality of joints connecting the plurality of arm bodies;   at least one surgical instrument disposed at an end of the at least one motion arm, the at least one surgical instrument comprising at least one end device disposed at the end of the at least one surgical instrument;   a control system in communication connection with the at least one motion arm and for controlling the movement of the at least one motion arm; and   a single-port surgical device comprising: 
 a housing, the housing being tubular and comprising a proximal port and a distal port; and 
 one or more cannulas for the at least one surgical instrument to pass through, the one or more cannulas comprising an inner cannula section and an outer cannula section, wherein the inner cannula section is located in the housing and communicates with the distal port of the housing, the outer cannula section is located outside the proximal port of the housing, and at least a portion of the outer cannula section of at least one cannula of the one or more cannulas is deformable in a radial direction, an axial direction or the radial direction and the axial direction of the outer cannula section. 
   
     
     
         20 . The medical device system according to  claim 19 , wherein the at least one motion arm comprises at least one end arm, the at least one end arm is configured to detachably connect to the at least one surgical instrument and the single-port surgical device, and at least a portion of the at least one surgical instrument is capable of passing through the one or more cannulas of the single-port surgical device and moving relative to the single-port surgical device.